staging: wilc1000: fixes space prohibited between function name and open parenthesis

This patch fixes the warning reported by checkpatch.pl
for space prohibited between function name and open parenthesis '('

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>